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  • Book
    Silvio Mazziotti, Alfredo Blandino ; in collaboration with Giorgio Ascenti, Tommaso D'Angelo.
    Summary: In recent years, there has been huge interest in developing new methods that offer improved accuracy for the detection of small bowel pathology, and in particular for the assessment of inflammatory bowel diseases (IBD). Cross-sectional imaging, such as CT and MR, has advantages over traditional barium fluoroscopic techniques in terms of direct visualization of the bowel wall and improved visualization of extraluminal findings and complications. This means a complete change in the diagnostic approach to the patient with IBD: from analysis of the bowel surface to direct evaluation of parietal alterations and assessment of peri- and extraintestinal involvement. The ideal imaging test is reproducible, well tolerated by patients and, above all, free of ionizing radiation. MR enterography, currently performed only in a few reference centers, meets these criteria and offers accurate diagnosis, particularly in respect of the wide spectrum of intra- and extraintestinal complications of IBD. This book provides a thorough overview of the indications, techniques, diagnostic advantages, and limitations of MR enterography. Particular attention is paid to patient preparation in relation to the particular study type and to the potential advantages of the most up-to-date MR studies in specific cases, e.g., allergy or renal failure. A separate chapter is devoted to MR of perianal region for the detection and staging of perianal fistula, a common complication in patients with Crohn's disease. Numerous high-quality illustrations are included and help to ensure that the book will be a valuable source of information for every radiologist involved in abdominal MR imaging.

    Contents:
    Introduction
    Technique
    Normal MR Anatomy
    MR Findings in Crohn's Disease
    Extraintestinal Complications
    Perianal Complications
    Other Indications for MRE.
    Digital Access Springer 2014
  • Article
    McNeal DR, Waters R, Reswick J.
    Appl Neurophysiol. 1977-1978;40(2-4):235-9.
    Implanted units, manufactured by Medtronic, Inc., have been implanted in 31 patients for treatment of drop-foot. The principal problem encountered in this series is inflammatory reaction, which was observed in 7 patients and was serious enough in 5 to require removal. Theree have been no failures of the implanted equipment for periods of up to 7.3 years, although there is currently a question in 1 patient. There has also been no documented damage to the nerve due to chronic stimulation. Fine wire electrodes have been implanted intraneurally in a series of animals and in 3 patients. Preliminary results look encouraging, and this approach seems to hold considerable promise for a new generation of electrode design.
    Digital Access Access Options